fuse.h

  1/* SPDX-License-Identifier: GPL-2.0-only */
  2/*
  3 * Copyright (c) 2012-2023, NVIDIA CORPORATION.  All rights reserved.
  4 */
  5
  6#ifndef __SOC_TEGRA_FUSE_H__
  7#define __SOC_TEGRA_FUSE_H__
  8
  9#include <linux/types.h>
 10
 11#define TEGRA20		0x20
 12#define TEGRA30		0x30
 13#define TEGRA114	0x35
 14#define TEGRA124	0x40
 15#define TEGRA132	0x13
 16#define TEGRA210	0x21
 17#define TEGRA186	0x18
 18#define TEGRA194	0x19
 19#define TEGRA234	0x23
 20#define TEGRA241	0x24
 21#define TEGRA264	0x26
 22
 23#define TEGRA_FUSE_SKU_CALIB_0	0xf0
 24#define TEGRA30_FUSE_SATA_CALIB	0x124
 25#define TEGRA_FUSE_USB_CALIB_EXT_0 0x250
 26
 27#ifndef __ASSEMBLY__
 28
 29enum tegra_revision {
 30	TEGRA_REVISION_UNKNOWN = 0,
 31	TEGRA_REVISION_A01,
 32	TEGRA_REVISION_A02,
 33	TEGRA_REVISION_A03,
 34	TEGRA_REVISION_A03p,
 35	TEGRA_REVISION_A04,
 36	TEGRA_REVISION_MAX,
 37};
 38
 39enum tegra_platform {
 40	TEGRA_PLATFORM_SILICON = 0,
 41	TEGRA_PLATFORM_QT,
 42	TEGRA_PLATFORM_SYSTEM_FPGA,
 43	TEGRA_PLATFORM_UNIT_FPGA,
 44	TEGRA_PLATFORM_ASIM_QT,
 45	TEGRA_PLATFORM_ASIM_LINSIM,
 46	TEGRA_PLATFORM_DSIM_ASIM_LINSIM,
 47	TEGRA_PLATFORM_VERIFICATION_SIMULATION,
 48	TEGRA_PLATFORM_VDK,
 49	TEGRA_PLATFORM_VSP,
 50	TEGRA_PLATFORM_MAX,
 51};
 52
 53struct tegra_sku_info {
 54	int sku_id;
 55	int cpu_process_id;
 56	int cpu_speedo_id;
 57	int cpu_speedo_value;
 58	int cpu_iddq_value;
 59	int soc_process_id;
 60	int soc_speedo_id;
 61	int soc_speedo_value;
 62	int gpu_process_id;
 63	int gpu_speedo_id;
 64	int gpu_speedo_value;
 65	enum tegra_revision revision;
 66	enum tegra_platform platform;
 67};
 68
 69#ifdef CONFIG_ARCH_TEGRA
 70extern struct tegra_sku_info tegra_sku_info;
 71u32 tegra_read_straps(void);
 72u32 tegra_read_ram_code(void);
 73int tegra_fuse_readl(unsigned long offset, u32 *value);
 74u32 tegra_read_chipid(void);
 75u8 tegra_get_chip_id(void);
 76u8 tegra_get_platform(void);
 77bool tegra_is_silicon(void);
 78int tegra194_miscreg_mask_serror(void);
 79#else
 80static struct tegra_sku_info tegra_sku_info __maybe_unused;
 81
 82static inline u32 tegra_read_straps(void)
 83{
 84	return 0;
 85}
 86
 87static inline u32 tegra_read_ram_code(void)
 88{
 89	return 0;
 90}
 91
 92static inline int tegra_fuse_readl(unsigned long offset, u32 *value)
 93{
 94	return -ENODEV;
 95}
 96
 97static inline u32 tegra_read_chipid(void)
 98{
 99	return 0;
100}
101
102static inline u8 tegra_get_chip_id(void)
103{
104	return 0;
105}
106
107static inline u8 tegra_get_platform(void)
108{
109	return 0;
110}
111
112static inline bool tegra_is_silicon(void)
113{
114	return false;
115}
116
117static inline int tegra194_miscreg_mask_serror(void)
118{
119	return false;
120}
121#endif
122
123struct device *tegra_soc_device_register(void);
124
125#endif /* __ASSEMBLY__ */
126
127#endif /* __SOC_TEGRA_FUSE_H__ */